Description

[4Ar,(-)]-2,3,4,4A,5,6,7,8-Octahydro-1,4A-Dimethyl-7α-Isopropenylnaphthalene-2-One is a high-purity, specialized sesquiterpenoid ketone of significant interest in advanced organic synthesis and fragrance chemistry. Its unique, rigid decalin core structure with an isopropenyl substituent makes it a valuable chiral building block and a precursor for complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and the development of novel, high-value aroma chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel therapeutic agents, particularly those targeting central nervous system disorders.
• Fragrance & Flavor Synthesis: Acts as a precursor for the creation of sophisticated amber, woody, and musk odorants in premium perfumery and flavor compositions.
• Agrochemical Research: Utilized as a structural motif in the design of new-generation pesticides and herbicides with enhanced specificity and activity.
• Organic Synthesis Building Block: Employed in asymmetric synthesis and total synthesis projects due to its defined stereochemistry and functional handles for further chemical modification.
• Material Science Research: Investigated as a monomer or additive for creating specialized polymers with unique optical or mechanical properties.

Basic Information

Item	Details
Product Name	[4Ar,(-)]-2,3,4,4A,5,6,7,8-Octahydro-1,4A-Dimethyl-7α-Isopropenylnaphthalene-2-One
CAS No.	23665-61-4
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	(-)-α-Cyperone; (4aR)-1,4a-Dimethyl-7-(prop-1-en-2-yl)-1,2,3,4,4a,5,6,7-octahydronaphthalen-2-one; (4aR)-1,4a-Dimethyl-7-(1-methylethenyl)-1,2,3,4,4a,5,6,7-octahydronaphthalen-2-one; α-Cyperone; α-Cyperone; (-)-α-Cyperone; Khusimone (related); Sesquiterpenoid ketone
EINECS	Contact for details

Quality Control

Our [4Ar,(-)]-2,3,4,4A,5,6,7,8-Octahydro-1,4A-Dimethyl-7α-Isopropenylnaphthalene-2-One is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chiral purity assessment, to meet the exacting standards required for research and development applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.